RSS vs SWFObject

Head-to-head usage across the sites we track.

Top sites by authority

RSS · SWFObject · how many of each technology's sites sit in the web's highest authority tiers

Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.

By country

RSS · SWFObject · share of sites in each country using one or the other

United States 887,410

11,269

India 336,391

4,214

Germany 333,621

6,022

Japan 319,148

5,493

United Kingdom 282,220

5,052

France 267,086

5,144

Brazil 265,509

4,181

Italy 258,995

4,663

Audience countries from the Chrome UX Report, top markets of either technology.

Real user performance

Median site's p75 values from the Chrome UX Report, Aug 2026. Lower is better; green meets Google's "good" threshold. This describes the sites that use each technology, not the technology's own overhead.

Sites that switched

Domains that dropped one technology and adopted the other within about a year, data nobody else gives away free.

All RSS sites · All SWFObject sites